Fur color is an inherited trait controlled by one pair of alleles where one form is dominant over the other. The fur color is either brown or gray. Two brown animals mate and produce 12 offspring. Three (25 percent) of the offspring produced are gray and nine (75 percent) are brown.

Based on the above data answer the follow questions

Determine which fur color is dominant and which is recessive.

Assign letter symbols for the alleles in your answer.